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Mewtwo EX #158

Mewtwo EX #158

Pokemon BREAKthrough · #158 · Base · Nov 2015

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$53.93
Expected Value
$144.44
Net Profit
$432.07
Gem Rate
17.0%
ROI
+627%
Sales / Yr
336

The gem rate is only 17% — you'll need a very clean copy to hit PSA 10.

Best Tier for Flipping

TAG Basic$22.00/card · 30+ business days
Net Profit $42.50
Per-Flip ROI 127%
Annualized 2,340%
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Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.

Profitability by Grading Company

CompanyBest TierGem RatePop10sCostEVNet ProfitROI
PSAPSA Standard52.3%8,4201,250$20.00$85.40$32.50127%
BGSBGS Standard52.3%8,4201,250$20.00$85.40$32.50127%
CGCCGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
SGCSGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
TAGTAG Standard52.3%8,4201,250$20.00$85.40$32.50127%
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Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.

Price by Grade

Raw
$53.93
BGS 10
$3,315.00
PSA 10
$2,550.00
SGC 10
$1,530.00
CGC 10
$501.00
9
$300.00
8
$101.71
7
$83.37
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
17.0%Gem Rate (PSA 10)

Grade Distribution (2,365 total graded)

2,365Total
PSA 1040117.0%
PSA 965727.8%
PSA 852922.4%
PSA 736915.6%
Below 739716.8%

eBay Market Signals

3–4 month horizon
Raw
30 days tracked
Active
42
30-day avg listings
Sold/day
2.4
84 resolved
Days to sell
7.0d
p90 21d
Liquidity
62%
sold ÷ listed
Supply 30d
+12.0%
Price 30d
+8.0%
PSA 10
30 days tracked
Active
11
30-day avg listings
Sold/day
0.30
14 resolved
Days to sell
18d
p90 46d
Liquidity
48%
sold ÷ listed
Supply 30d
-6.0%
Price 30d
+14.0%
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© 2026 Should You Grade? Data from PriceCharting & GemRate.
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